ZIP Code 49818 — Cornell, MI
49818 is a standard (street delivery) ZIP code serving Cornell, Michigan, in Marquette County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 49818 at a glance
| ZIP code | 49818 |
|---|---|
| Primary city | Cornell |
| State | Michigan (MI) |
| County | Marquette FIPS 26103 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 1,282 |
| Coordinates | 45.982230, -87.347450 |
How ZIP+4 works in 49818
The four digits after the hyphen encode a delivery segment inside 49818. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 49818 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 49818.
| ZIP | City | Distance |
|---|---|---|
| 49873 | Perronville, MI | 11 mi |
| 49880 | Rock, MI | 11 mi |
| 49872 | Perkins, MI | 13 mi |
| 49837 | Gladstone, MI | 14.2 mi |
| 49834 | Foster City, MI | 17.1 mi |
| 49829 | Escanaba, MI | 17.2 mi |
| 49807 | Bark River, MI | 18.8 mi |
| 49894 | Wells, MI | 18.9 mi |
| 49831 | Felch, MI | 19.3 mi |
| 49833 | Little Lake, MI | 20.4 mi |
| 49874 | Powers, MI | 20.6 mi |
| 49886 | Spalding, MI | 20.9 mi |
Questions about 49818
What is the ZIP+4 code for 49818?
49818 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 49818, you need to look up a specific street address to get them.
What city is 49818?
49818 is assigned to Cornell, Michigan, in Marquette County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.